I remember the first time I sat in a Physiology class. That was when my passion for biology was awakened. Without that class, there would probably be no Interactive Biology. On this page, you’ll find links to all my physiology videos.
The Nervous System
- 001 An Introduction to the Nervous System
- 002 An Introduction to Neurons
- 004 Ion Channels: The Proteins in the Membrane of Neurons
- 005 The Isoelectric Point of Proteins
- 006 Donnan Equilibrium and Driving Force
- 007 What is an Action Potential
- 008 The All-or-None Action Potential
- 009 Depolarization: Phase 1 of the Action Potential
- 010 Repolarization: Phase 2 of the Action Potential
- 011 Hyperpolarization: Last phase of the Action Potential
- 012 The Absolute and Relative Refractory Periods
- 013 A Review of the Action Potential
- 014 The Journey down the Axon
- 015 Saltatory Conduction
- 016 The release of Neurotransmitter
- 017 Two Types of Receptors
- 018 Agonists and Antagonists
- 019 What is Summation? (2 Types)
- 020 Facilitation
- 021 The Mechanism of Addiction
- 022 Re: Akbar – Inactivation of V-gated Sodium Channels
- 023 How Reflexes Work (Knee Jerk and Eye Blink)
- 024 Re: nicodube23 How Myelin sheaths Speed up the Action Potential
- 025 The 4 Lobes of the Cerebrum and their Functions
- 026 The Function of the Cerebellum
- 027 The 3 Parts of the Brain Stem and their Functions
- 028 The Thalamus and Hypothalamus
The Sensory System
- 029 A General Overview of How Senses Work
- 030 How Eyes Work – An Introduction
- 031 How Rods and Cones Respond to Light
- 032 Visual Processing in the Retina
- 033 The Receptive Field of a Ganglion Cell
- 034 How Lateral Inhibition Enhances Visual Edges
- 035 On Center, Off Surround Ganglion Cells
- 036 An Overview of the Mechanism of Hearing
- 037 How Sound is Transferred to the Inner Ear
- 038 How We Hear Different Pitches
- 039 The Function of the Organ of Corti
- 040 The Role of Hair Cells in Hearing
The Muscular System
- 041 An Introduction to Skeletal Muscle Contraction
- 042 How the Release of Calcium Ions Results in Muscle Contraction
- 043 The Details of Muscle Contraction
The Circulatory System
- 044 How Blood Flows Through the Heart
- 045 The Pacemaker Potential of the SA Node and the AV Node
- 046 How Adrenaline and Acetylcholine Affect Heart Rate
- 047 Action Potentials and Contraction in Cardiac Muscle Cells
- 048 How to Read an Electrocardiogram (ECG/EKG)
- 049 What Stroke Volume is and How to Calculate It
- 050 Regulating Stroke Volume, Skeletal Muscle Pump and Frank-Starling Mechanism
- 051 Isovolumetric Contraction
- 052 The Cardiac Cycle
- 053 Cardiac Output
- 054 Blood Pressure and Mean Arterial Pressure
- 055 Regulating Peripheral Resistance – Part 1
- 056 Regulating Peripheral Resistance – Part 2
- 057 Pressure Reflexes and Mean Arterial Pressure
- 058 Net Hydrostatic Pressure and Filtration Pressure
- 108 What is Hypertension?
- 109 The Pathophysiology of Hypertension
- 110 Hypertension Treatment
The Respiratory System
- 059 An Introduction to the Respiratory System
- 060 Hemoglobin and the Oxygen-Dissociation Curve
- 061 The Bohr Effect
- 062 Pressure Changes during Breathing
These Physiology Videos
It is my hope that these physiology videos are helpful to you regardless of where you are or what your academic background is.
Lastly, I hope you have fun with it ?